Specifications include, but are not limited to: Septic Pumping for Northern Region State Parks at select Arizona State Parks in the Northern Region. ASPT has an ongoing need, in which some services may be increased or decreased, as needed, including emergencies to accommodate unplanned events. The following State Parks will need solid or liquid waste removal services (septic wastewater), at least once per year, from treatment plant, vault toilets, wet wells, and/or dump stations at: Northern Region ■ Dead Horse Ranch ■ Fool Hollow Lake ■ Jerome Historic ■ Lyman Lake ■ Slide Rock ■ Tonto Natural Bridge The follow State Parks are in need of similar services as the above parks, but on an infrequent, as- needed basis: ■ Homolovi ■ Red Rock ■ Rockin River